Your all wrong guys. I prefer to just take a plasma cutter a buzz em off. Also for caluses I found a plasma cutter with a gouging torch work well.
Long as you remember to never use an older machine with high freq starting you'll be fine. You catch that high freq on your toenails it'll crossthread your nuts for sure.
Nola's got the seeds of a weldor in him, might amount to something if he don't get sidetracked by drink, wimmen or aps on a smart phone.